Radial tube fan RADAX RR for direct installation in the tube system. Housing made of high-quality, break-proof and antistatic plastic. Surface resistance less than 1 GOhm. Explosion protection E Exe II 2G, increased safety. EC type examination certificate according to Directive 94/9 EC available. High-performance radial impeller with backward-curved blades made of plastic. Vibration-free operation due to dynamic balancing in accordance with quality level G 6.3 VDI 2060 and DIN ISO 1940. Single-phase AC capacitor motor, closed design, maintenance-free and free from radio interference, sealed, low-noise ball bearings with long-term lubrication, winding impregnated with moisture protection.